Home / 2,208,345.40-3,312,513.02-692,143.86

Finding the Fourth Proportional to 2,208,345.40, 3,312,513.02 and 692,143.86

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Solution

The fourth proportional to 2,208,345.40, 3,312,513.02 and 692,143.86 is: 1,038,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,345.40 : 3,312,513.02 = 692,143.86 : x
  2. Step 2: Convert to fraction form
    2,208,345.40/3,312,513.02 = 692,143.86/x
  3. Step 3: Cross multiply
    2,208,345.40x = 3,312,513.02 × 692,143.86
  4. Step 4: Simplify right side
    2,208,345.40x = 2,292,735,547,963.06
  5. Step 5: Solve for x
    x = 2,292,735,547,963.06/2,208,345.40
  6. Step 6: Final answer
    x = 1,038,214.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.